This is an idea that will totally work and will definitely not waste a ton of taxpayers money.

Posters. Not stopping their free money from the government. Not stopping them living in free houses. Not taking back their free government cars and mobile phones. Not making it utterly impossible to live in Britain as an illegal immigrant. Posters. The posters will make them leave.

They'll just start bleating about their human rights like the guy we cant kick out because he likes cricket, the guy who screams for our death we couldnt kick our for years, the guy we cant kick out because of his right to a family life despite not being married or having kids, the guy who cant kick out because he has a cat or the tens of thousands of people we refuse asylum to who just stick around and dont leave anyway.